搜索结果: 1-15 共查到“知识库 高能物理学 X-ray”相关记录21条 . 查询时间(0.062 秒)
Harmonic lasing in a free electron laser with a planar undulator (under the condition that the fundamental frequency is suppressed) might be a cheap and efficient way of extension of wavelength ranges...
Multi bunch GMMA Ray generation experiment at ATF
Multi bunch GMMA Ray generation experiment ATF Instrumentation and Detectors
2012/5/29
We construct a new detector to monitor $\gamma$ yields in bunch by bunch basis for the Laser Compton experiment at the KEK ATF which is capable to separate $\gamma$ rays in 5.6ns-spacing multi-bunch o...
Self-seeding scheme for the soft X-ray line at the European XFEL
Self-seeding scheme soft X-ray line the European XFEL
2012/2/28
This paper discusses the potential for enhancing the capabilities of the European FEL in the soft X-ray regime. A high longitudinal coherence will be the key to such performance upgrade. In order to r...
An X-Ray Free Electron Laser Oscillator with Intermediate Energy Electron Beam
X-Ray Free Electron Laser Oscillator Intermediate Energy Electron Beam
2011/8/4
Abstract: Harmonic lasing of low-gain free electron laser oscillator has been experimentally demonstrated in terahertz and infrared region. Recently, together with the high-reflectivity high-resolutio...
Time duration of the parametric x-ray radiation
X-rays, PXR, dynamical diffraction, femtosecond electron bunches
2011/8/31
Time evolution of the parametric X-Ray radiation, produced by a relativistic charged particle passing through a crystal, is studied. The most attention is given to the cases when the radiation lasts m...
Circular polarization control for the European XFEL in the soft X-ray regime
XFEL Circular polarization European
2011/8/31
The possibility of producing X-ray radiation with high degree of circular polarization is an important asset at XFEL facilities. Polarization control is most important in the soft X-ray region.However...
The Ultra-High Energy Cosmic Ray Spectrum Measured by the Telescope Array's Middle Drum Detector
The Ultra-High Energy Cosmic Ray Spectrum Telescope Array's Middle Drum Detector
2011/4/7
The Ultra-High Energy Cosmic Ray Spectrum Measured by the Telescope Array's Middle Drum Detector 。
Studies of the performance of the ATLAS detector using cosmic-ray muons
Studies performance ATLAS detector cosmic-ray muons
2011/1/6
Muons from cosmic-ray interactions in the atmosphere provide a high-statistics source of particles that can be used to study the performance and calibration of the ATLAS detector.
Modeling high-energy cosmic ray induced terrestrial muon flux: A lookup table
Modeling high-energy cosmic ray induced terrestrial muon flux
2010/12/27
On geological timescales, the Earth is likely to be exposed to an increased flux of high energy cosmic rays (HECRs) from astrophysical sources such as nearby supernovae, gamma ray bursts or by galacti...
Phase diagram of charge order in La1.8-xEu0.2SrxCuO4 from resonant soft x-ray diffraction
Phase diagram of charge order resonant soft x-ray diffraction
2010/11/25
Resonant soft x-ray scattering experiments with photon energies near the O K and the Cu L3
edge on the system La1.8−xEu0.2SrxCuO4 for 0.1 x 0.15 are presented. A phase diagram
for stripe-l...
Modeling high-energy cosmic ray induced terrestrial muon flux: A lookup table
Modeling high-energy cosmic ray terrestrial muon flux A lookup table
2011/1/5
On geological timescales, the Earth is likely to be exposed to an increased ux of high energy
cosmic rays (HECRs) from astrophysical sources such as nearby supernovae, gamma ray bursts
or by galacti...
Commensurate antiferromagnetic ordering in Ba(Fe{1-x}Co{x})2As2 determined by x-ray resonant magnetic scattering at the Fe K-edge
Commensurate antiferromagnetic x-ray resonant magnetic Fe K-edge
2010/11/22
We describe x-ray resonant magnetic diffraction measurements at the FeK-edge of both the parent BaFe2As2 and superconducting Ba(Fe0.953Co0.047)2As2 compounds. From these high-resolution measurements w...
HIFLUGCS: Galaxy cluster scaling relations between X-ray luminosity, gas mass, cluster radius, and velocity dispersion
Cosmology observations (Cosmology:) dark matter Galaxies clusters
2011/1/5
We present relations between X-ray luminosity and velocity dispersion (L − ), X-ray luminosity and gas mass (L − Mgas), and cluster radius and velocity dispersion (r500 − ) for 62 ...
A possibility of amplification of the 7.6 eV (3.5 eV) -radiation by the stimulated -emission of
the ensemble of the 229mTh isomeric nuclei in a host dielectric crystal with a large band gap is proved...
Particle-scale structure in frozen colloidal suspensions from small angle x-ray scattering
Particle-scale structure frozen colloidal suspensions small angle x-ray scattering
2010/11/19
During directional solidification of the solvent in a colloidal suspension, the colloidal particles segregate from the growing solid, forming high-particle-density regions with structure on a hierarch...